aria: Remove duplicate test cases

No data seems to be missing, just some duplicated cases, perhaps due
to naming inconsistencies "ECB_Xxcrypt" vs "ECB Xxcrypt" which I also
fixed.
diff --git a/tests/suites/test_suite_aria.data b/tests/suites/test_suite_aria.data
index 2da0b30..8848978 100644
--- a/tests/suites/test_suite_aria.data
+++ b/tests/suites/test_suite_aria.data
@@ -16,18 +16,9 @@
 ARIA-192-ECB Decrypt - RFC 5794
 aria_decrypt_ecb:"000102030405060708090a0b0c0d0e0f1011121314151617":"26449c1805dbe7aa25a468ce263a9e79":"00112233445566778899aabbccddeeff":0
 
-ARIA-256-ECB_Encrypt - RFC 5794
+ARIA-256-ECB Encrypt - RFC 5794
 aria_encrypt_ecb:"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f":"00112233445566778899aabbccddeeff":"f92bd7c79fb72e2f2b8f80c1972d24fc":0
 
-ARIA-256-ECB_Decrypt - RFC 5794
-aria_decrypt_ecb:"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f":"f92bd7c79fb72e2f2b8f80c1972d24fc":"00112233445566778899aabbccddeeff":0
-
-ARIA-128-ECB Decrypt - RFC 5794
-aria_decrypt_ecb:"000102030405060708090a0b0c0d0e0f":"d718fbd6ab644c739da95f3be6451778":"00112233445566778899aabbccddeeff":0
-
-ARIA-192-ECB Decrypt - RFC 5794
-aria_decrypt_ecb:"000102030405060708090a0b0c0d0e0f1011121314151617":"26449c1805dbe7aa25a468ce263a9e79":"00112233445566778899aabbccddeeff":0
-
 ARIA-256-ECB Decrypt - RFC 5794
 aria_decrypt_ecb:"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f":"f92bd7c79fb72e2f2b8f80c1972d24fc":"00112233445566778899aabbccddeeff":0